21271166028

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{128477}}^1$

素因数の和:128573

約数の個数: 120

約数和(自身を含む): 64421952672

約数和(自身を除く): 43150786644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 81, 84, 108, 126, 146, 162, 189, 219, 252, 292, 324, 378, 438, 511, 567, 657, 756, 876, 1022, 1134, 1314, 1533, 1971, 2044, 2268, 2628, 3066, 3942, 4599, 5913, 6132, 7884, 9198, 11826, 13797, 18396, 23652, 27594, 41391, 55188, 82782, 128477, 165564, 256954, 385431, 513908, 770862, 899339, 1156293, 1541724, 1798678, 2312586, 2698017, 3468879, 3597356, 4625172, 5396034, 6937758, 8094051, 9378821, 10406637, 10792068, 13875516, 16188102, 18757642, 20813274, 24282153, 28136463, 32376204, 37515284, 41626548, 48564306, 56272926, 65651747, 72846459, 84409389, 97128612, 112545852, 131303494, 145692918, 168818778, 196955241, 253228167, 262606988, 291385836, 337637556, 393910482, 506456334, 590865723, 759684501, 787820964, 1012912668, 1181731446, 1519369002, 1772597169, 2363462892, 3038738004, 3545194338, 5317791507, 7090388676, 10635583014, 21271166028]

約数ペア:

[(1, 21271166028), (2, 10635583014), (3, 7090388676), (4, 5317791507), (6, 3545194338), (7, 3038738004), (9, 2363462892), (12, 1772597169), (14, 1519369002), (18, 1181731446), (21, 1012912668), (27, 787820964), (28, 759684501), (36, 590865723), (42, 506456334), (54, 393910482), (63, 337637556), (73, 291385836), (81, 262606988), (84, 253228167), (108, 196955241), (126, 168818778), (146, 145692918), (162, 131303494), (189, 112545852), (219, 97128612), (252, 84409389), (292, 72846459), (324, 65651747), (378, 56272926), (438, 48564306), (511, 41626548), (567, 37515284), (657, 32376204), (756, 28136463), (876, 24282153), (1022, 20813274), (1134, 18757642), (1314, 16188102), (1533, 13875516), (1971, 10792068), (2044, 10406637), (2268, 9378821), (2628, 8094051), (3066, 6937758), (3942, 5396034), (4599, 4625172), (5913, 3597356), (6132, 3468879), (7884, 2698017), (9198, 2312586), (11826, 1798678), (13797, 1541724), (18396, 1156293), (23652, 899339), (27594, 770862), (41391, 513908), (55188, 385431), (82782, 256954), (128477, 165564)]